Anders Lindgren wrote:
> The construct 'eval-when-compile' seems to throw debug off. When
> pressing C-u C-M-x on the following, an error is issued. This worked
> correctly in 24.3. This makes it hard to use edebug on functions in
> cc-mode (like c-font-lock-declarations), as it makes heavy use of
> eval-when-compile.

> (defun test (limit)
>   (eval-when-compile
>     (boundp 'parse-sexp-lookup-properties)))

I'm not sure of it but the patch below seems to solve it.
This works for the bug#14646 case[1], too.  WDYT?

[1] <http://thread.gmane.org/gmane.emacs.bugs/80778>